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(2) CONFIGURATION
Settings：Click the "Settings"button to enter the system settings.
①
Keep Screen On: control the backlight of the screen.
Switch language: select language English or Chinese.
General Alarm Preferences: single sound, single vibration or sound vibration alarm
at the same time.
Help: Click the "Help" button to enter the help interface; click the "About" button
②
to obtain version information; click "User manual" to enter the download interface,
and click the "Start" button to download the vacuum pump user manual.
Exit：Click the"Exit"button to exit the APP.
③
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